Home / 2,712.36-3,744.96-2,395.20

Finding the Fourth Proportional to 2,712.36, 3,744.96 and 2,395.20

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Solution

The fourth proportional to 2,712.36, 3,744.96 and 2,395.20 is: 3,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.36 : 3,744.96 = 2,395.20 : x
  2. Step 2: Convert to fraction form
    2,712.36/3,744.96 = 2,395.20/x
  3. Step 3: Cross multiply
    2,712.36x = 3,744.96 × 2,395.20
  4. Step 4: Simplify right side
    2,712.36x = 8,969,928.19
  5. Step 5: Solve for x
    x = 8,969,928.19/2,712.36
  6. Step 6: Final answer
    x = 3,307.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.